package com.koron.common.core.util.qywx;

import lombok.extern.slf4j.Slf4j;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;

import javax.net.ssl.SSLContext;
import java.io.IOException;
import java.net.URI;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/*
 * 功能描述 跳过ssl认证
 * @author zhouj
 * @date 2022/3/9 16:02
 * @param
 * @return
 */
@Slf4j
public class HttpclientUtil {

    public static CloseableHttpClient createSSLClientDefault() {
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
                //信任所有
                public boolean isTrusted(X509Certificate[] chain,
                                         String authType) throws CertificateException {
                    return true;
                }
            }).build();
            NoopHostnameVerifier instance = NoopHostnameVerifier.INSTANCE;
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, instance);
            return HttpClients.custom().setSSLSocketFactory(sslsf).build();
        } catch (KeyManagementException e) {
            log.error(e.getMessage(), e);
        } catch (NoSuchAlgorithmException e) {
            log.error(e.getMessage(), e);
        } catch (KeyStoreException e) {
            log.error(e.getMessage(), e);
        }
        return HttpClients.createDefault();
    }

    public static <T> String doGet(String url, Map<String, T> param) {

        // 创建Httpclient对象
        CloseableHttpClient httpclient = createSSLClientDefault();

        String resultString = "";
        CloseableHttpResponse response = null;
        HttpGet httpGet = null;
        try {
            // 创建uri
            URIBuilder builder = new URIBuilder(url);
            if (param != null) {
                for (String key : param.keySet()) {
                    builder.addParameter(key, param.get(key).toString());
                }
            }
            URI uri = builder.build();

            // 创建http GET请求
            httpGet = new HttpGet(uri);

            // 执行请求
            response = httpclient.execute(httpGet);
            // 判断返回状态是否为200
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            // TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();//手动回滚
        } finally {
            try {
                if (null != httpGet) {
                    httpGet.releaseConnection();
                }
                if (response != null) {
                    EntityUtils.consume(response.getEntity());
                    response.close();
                }
            } catch (IOException e) {
                log.error(e.getMessage(), e);
            }
        }
        return resultString;
    }

    public static String doGet(String url) {
        return doGet(url, null);
    }

    public static <T> String doPost(String url, Map<String, T> param) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = createSSLClientDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        HttpPost httpPost = null;
        try {
            // 创建Http Post请求
            httpPost = new HttpPost(url);
            // 创建参数列表
            if (param != null) {
                List<NameValuePair> paramList = new ArrayList<>();
                for (String key : param.keySet()) {
                    paramList.add(new BasicNameValuePair(key, param.get(key).toString()));
                }
                // 模拟表单
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList, "utf-8");
                httpPost.setEntity(entity);
            }
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            //TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();//手动回滚
        } finally {
            try {
                if (null != httpPost) {
                    httpPost.releaseConnection();
                }
                if (response != null) {
                    EntityUtils.consume(response.getEntity());
                    response.close();
                }
            } catch (IOException e) {
                log.error(e.getMessage(), e);
            }
        }

        return resultString;
    }

    public static String doPost(String url) {
        return doPost(url, null);
    }

    public static String doPostJson(String url, String json) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = createSSLClientDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        HttpPost httpPost = null;
        try {
            // 创建Http Post请求
            httpPost = new HttpPost(url);
            // 创建请求内容
            StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
            httpPost.setEntity(entity);
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            //TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();//手动回滚
        } finally {
            try {
                if (null != httpPost) {
                    httpPost.releaseConnection();
                }
                EntityUtils.consume(response.getEntity());
                response.close();
            } catch (IOException e) {
                log.error(e.getMessage(), e);
            }
        }

        return resultString;
    }


    public String doGetJson(String url, Map<String, String> params) {
        if (params == null) {
            return null;
        }
        if (params.size() == 0) {
            return doGet(url);
        }
        StringBuffer sb = new StringBuffer(url).append("?");
        Iterator<Map.Entry<String, String>> iterator = params.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry<String, String> entry = iterator.next();
            sb.append(entry.getKey()).append("=").append(entry.getValue()).append("&");
        }
        url = sb.substring(0, sb.length() - 1);
        return doGet(url);
    }

}
